Well Water Triple Filter: Scale, Sediment and Odour (Siliphos)

A Green Aqua triple set with a washable sediment filter, a carbon filter and a Siliphos scale inhibitor cartridge that reduces sand, odour and limescale effects at apartment and building inlets. It helps protect boilers and washing machines.

Key Features

• Siliphos delays limescale build-up in boilers and heaters
• Carbon stage reduces odour, chlorine and taste in well water
• Pre-filtration against sand, silt, rust and sediment
• AQUA BELLA quality, with sizing and installation support

Technical Specifications

How It Works: Treatment Stages

Water passes through the following stages in order. Each stage is arranged to protect the next one:

1. Washable sediment filter: Traps sand, silt, rust and coarse suspended solids at the first stage. The cartridge can be removed, rinsed and reused, which lowers running costs on water with heavy sediment.
2. CTO carbon block filter: Compressed carbon block reduces chlorine, chemical residues, taste and odour, and also acts as an extra mechanical filter for fine particles.
3. Siliphos scale inhibitor: Polyphosphate-based Siliphos crystals sequester calcium ions and delay limescale sticking to heaters and fittings. It does not reduce hardness; it slows scale formation.

The limescale stage in this product is a scale inhibitor; it does not lower measured hardness. We explain the difference in our article on scale prevention vs. water softening.

When Is It the Right Choice?

• When an economical pre-treatment is needed at an apartment or home inlet.
• When well water carries sand, silt, rust or odour; also as a protective stage before an automatic softener.

Choosing for Well Water

Besides hardness, well water may contain iron, manganese, turbidity and microbiological contamination. To choose the right stages, first measure your water hardness (how to measure water hardness) and ideally have a laboratory analysis done. If iron and manganese are high, suitable pre-treatment must be added before softening, as they foul the resin. Compare all options on our well water treatment systems page.

Installation and Maintenance

• Cartridges are usually replaced every 3–12 months depending on water quality and consumption; washable cartridges are cleaned periodically (when to replace a limescale filter).
• The AQUA BELLA team can support you with sizing, installation and commissioning.

Price, Shipping and Quote

Prices are in US dollars. We ship worldwide from Istanbul, Türkiye. Contact us to check suitability for your water and plumbing and to receive a firm quote including shipping. Read about price factors on our water softener prices page and other technologies on our limescale treatment systems page. For an overview, see our water softener guide.